IP 10.140.1.31.sip > 10.140.1.11.sip: UDP, length 413
REGISTER sip:10.140.1.11 SIP/2.0
Via: SIP/2.0/UDP 10.140.1.31;branch=z9hG4bK8828.d5a9fe43.0
To: sip:2500@10.140.1.11
From: sip:2500@10.140.1.11;tag=51b6a5d1a9ebf21332da43af5e84fad4-d180
CSeq: 10 REGISTER
Call-ID: 496dc8f41bad3cd3-3396@10.140.1.31
Max-Forwards: 70
Content-Length: 0
User-Agent: kamailio (4.0.2 (x86_64/linux))
Contact: <sip:2500-cti.sip.example.com@10.140.1.31:5060>
Expires: 10


IP 10.140.1.11.sip > 10.140.1.31.sip: UDP, length 519
.........$FSIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 10.140.1.31;branch=z9hG4bK8828.d5a9fe43.0;received=10.140.1.31
From: sip:2500@10.140.1.11;tag=51b6a5d1a9ebf21332da43af5e84fad4-d180
To: sip:2500@10.140.1.11;tag=as2ec7b125
Call-ID: 496dc8f41bad3cd3-3396@10.140.1.31
CSeq: 10 REGISTER
Server: FPBX-2.10.0(1.8.8.0)
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="6a2fb9b1"
Content-Length: 0


IP 10.140.1.31.sip > 10.140.1.11.sip: UDP, length 571

........C..REGISTER sip:10.140.1.11 SIP/2.0
Via: SIP/2.0/UDP 10.140.1.31;branch=z9hG4bK9828.307c3916.0
To: sip:2500@10.140.1.11
From: sip:2500@10.140.1.11;tag=51b6a5d1a9ebf21332da43af5e84fad4-d180
CSeq: 11 REGISTER
Call-ID: 496dc8f41bad3cd3-3396@10.140.1.31
Max-Forwards: 70
Content-Length: 0
User-Agent: kamailio (4.0.2 (x86_64/linux))
Contact: <sip:2500-cti.sip.example.com@10.140.1.31:5060>
Expires: 10
Authorization: Digest username="2500", realm="asterisk", nonce="6a2fb9b1", uri="sip:10.140.1.11", response="299f8b5fd0dec1df93cdf796fdbb6280", algorithm=MD5

IP 10.140.1.11.sip > 10.140.1.31.sip: UDP, length 557
........5;.SIP/2.0 200 OK
Via: SIP/2.0/UDP 10.140.1.31;branch=z9hG4bK9828.307c3916.0;received=10.140.1.31
From: sip:2500@10.140.1.11;tag=51b6a5d1a9ebf21332da43af5e84fad4-d180
To: sip:2500@10.140.1.11;tag=as2ec7b125
Call-ID: 496dc8f41bad3cd3-3396@10.140.1.31
CSeq: 11 REGISTER
Server: FPBX-2.10.0(1.8.8.0)
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Expires: 60
Contact: <sip:2500-cti.sip.example.com@10.140.1.31:5060>;expires=60
Date: Fri, 26 Jul 2013 07:42:06 GMT
Content-Length: 0

IP 10.140.1.31.sip > 10.140.1.11.sip: UDP, length 413
...........REGISTER sip:10.140.1.11 SIP/2.0
Via: SIP/2.0/UDP 10.140.1.31;branch=z9hG4bK5828.83893957.0
To: sip:2500@10.140.1.11
From: sip:2500@10.140.1.11;tag=51b6a5d1a9ebf21332da43af5e84fad4-a82f
CSeq: 10 REGISTER
Call-ID: 496dc8f41bad3cd4-3396@10.140.1.31
Max-Forwards: 70
Content-Length: 0
User-Agent: kamailio (4.0.2 (x86_64/linux))
Contact: <sip:2500-cti.sip.example.com@10.140.1.31:5060>
Expires: 10

IP 10.140.1.11.sip > 10.140.1.31.sip: UDP, length 519

SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP 10.140.1.31;branch=z9hG4bK5828.83893957.0;received=10.140.1.31
From: sip:2500@10.140.1.11;tag=51b6a5d1a9ebf21332da43af5e84fad4-a82f
To: sip:2500@10.140.1.11;tag=as28816372
Call-ID: 496dc8f41bad3cd4-3396@10.140.1.31
CSeq: 10 REGISTER
Server: FPBX-2.10.0(1.8.8.0)
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", nonce="69eb786a"
Content-Length: 0